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5488540784781 = 343835003102461
BaseRepresentation
bin100111111011110011010…
…0001100001100010001101
3201102200212211210101120020
41033313212201201202031
51204411012420103111
615401222325012353
71104351104626005
oct117674641414215
921380784711506
105488540784781
11182674a206a5a
127478712540b9
1330a74b112402
1414d90ab1d005
1597b82306906
hex4fde686188d

5488540784781 has 32 divisors (see below), whose sum is σ = 7580050232832. Its totient is φ = 3530133888960.

The previous prime is 5488540784737. The next prime is 5488540784803. The reversal of 5488540784781 is 1874870458845.

5488540784781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5488540784781 - 211 = 5488540782733 is a prime.

It is a super-2 number, since 2×54885407847812 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5488540784581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53515891 + ... + 53618351.

It is an arithmetic number, because the mean of its divisors is an integer number (236876569776).

Almost surely, 25488540784781 is an apocalyptic number.

It is an amenable number.

5488540784781 is a deficient number, since it is larger than the sum of its proper divisors (2091509448051).

5488540784781 is a wasteful number, since it uses less digits than its factorization.

5488540784781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107593.

The product of its (nonzero) digits is 321126400, while the sum is 69.

The spelling of 5488540784781 in words is "five trillion, four hundred eighty-eight billion, five hundred forty million, seven hundred eighty-four thousand, seven hundred eighty-one".

Divisors: 1 3 43 83 129 249 3569 5003 10707 15009 102461 215129 307383 415249 645387 1245747 4405823 8504263 13217469 17855707 25512789 53567121 365683309 512612383 1097049927 1537837149 22042332469 42546827789 66126997407 127640483367 1829513594927 5488540784781